135379 has 4 divisors (see below), whose sum is σ = 136120. Its totient is φ = 134640.

The previous prime is 135367. The next prime is 135389. The reversal of 135379 is 973531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 973531 = 13 ⋅74887.

It is a cyclic number.

It is not a de Polignac number, because 135379 - 2⁵ = 135347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127 + ... + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (34030).

2¹³⁵³⁷⁹ is an apocalyptic number.

135379 is a deficient number, since it is larger than the sum of its proper divisors (741).

135379 is an equidigital number, since it uses as much as digits as its factorization.

135379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 2835, while the sum is 28.

The square root of 135379 is about 367.9388536157. The cubic root of 135379 is about 51.3472395375.

The spelling of 135379 in words is "one hundred thirty-five thousand, three hundred seventy-nine".